diff --git a/mysite/_config/config.yml b/mysite/_config/config.yml
index 537b5de..17910fc 100644
--- a/mysite/_config/config.yml
+++ b/mysite/_config/config.yml
@@ -8,4 +8,6 @@ After:
 # See http://doc.silverstripe.org/framework/en/topics/configuration
 # Caution: Indentation through two spaces, not tabs
 SSViewer:
-  theme: 'simple'
\ No newline at end of file
+  theme: 'simple'
+Debug:
+  friendly_error_httpcode: true